JPS5333669A - Digital watch - Google Patents

Digital watch

Info

Publication number
JPS5333669A
JPS5333669A JP7749677A JP7749677A JPS5333669A JP S5333669 A JPS5333669 A JP S5333669A JP 7749677 A JP7749677 A JP 7749677A JP 7749677 A JP7749677 A JP 7749677A JP S5333669 A JPS5333669 A JP S5333669A
Authority
JP
Japan
Prior art keywords
digital watch
watch
circuits
decoder
simplified
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7749677A
Other languages
Japanese (ja)
Inventor
Takeshi Okura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP7749677A priority Critical patent/JPS5333669A/en
Publication of JPS5333669A publication Critical patent/JPS5333669A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
    • G04G3/027—Circuits for deriving low frequency timing pulses from pulses of higher frequency by combining pulse-trains of different frequencies, e.g. obtained from two independent oscillators or from a common oscillator by means of different frequency dividing ratios

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Indicating Measured Values (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)

Abstract

PURPOSE:Circuits are simplified and the reduction in size and power consumption of a watch is achieved by providing a switch which selectively supplies the time signals of two frequency dividing circuits to a decoder.
JP7749677A 1977-06-29 1977-06-29 Digital watch Pending JPS5333669A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7749677A JPS5333669A (en) 1977-06-29 1977-06-29 Digital watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7749677A JPS5333669A (en) 1977-06-29 1977-06-29 Digital watch

Publications (1)

Publication Number Publication Date
JPS5333669A true JPS5333669A (en) 1978-03-29

Family

ID=13635574

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7749677A Pending JPS5333669A (en) 1977-06-29 1977-06-29 Digital watch

Country Status (1)

Country Link
JP (1) JPS5333669A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166742A (en) * 1963-03-22 1965-01-19 American Sign & Indicator Co Control for lamp bank displays

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166742A (en) * 1963-03-22 1965-01-19 American Sign & Indicator Co Control for lamp bank displays

Similar Documents

Publication Publication Date Title
JPS5429681A (en) Electronic timepiece
JPS5333669A (en) Digital watch
JPS5416103A (en) Decoder
JPS5243460A (en) Electronic wrist watch
JPS5441660A (en) Timer
JPS5428178A (en) Electronic watch
JPS5361371A (en) Electronic watch
JPS5380264A (en) Electronic watch
JPS5258962A (en) Electronic watch
JPS52120704A (en) Individual selection call receiver
JPS55100747A (en) Operating-power reduction control system
JPS51126873A (en) Portable clock
JPS5223970A (en) Posture control switch
JPS5399980A (en) Watch with calculator
JPS5345569A (en) Electronic watch
JPS5441771A (en) Electronic watch
JPS5334568A (en) Electronic watch
JPS5258961A (en) Electronic watch
JPS5226872A (en) Portable electronic watch
JPS5246859A (en) Digital wristwatch
JPS5338365A (en) Digital electronic watch
JPS538553A (en) Division circuit
JPS5348565A (en) Digital wristwatch
JPS5322471A (en) Power saving type digital watch
JPS5414145A (en) Polygonal line decoder of digital type